Why Does the Bridge Sag Like That? The Direct Stiffness Method for Trusses
·5 min read
A bar with EA/L = 8e6 N/m moves 1.5 mm under 12 kN. The 12-member truss stays singular until four wall degrees of freedom are removed.
A bar with EA/L = 8e6 N/m moves 1.5 mm under 12 kN. The 12-member truss stays singular until four wall degrees of freedom are removed.